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| HD74ALVCHR162269A Datasheet, PDF (11/13 Pages) Hitachi Semiconductor – 12-bit to 24-bit Registered Bus Exchanger with 3-state Outputs | |||
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Waveforms â 3
Output
Control
CLK
tr
tf
10 %
90 % 90 %
Vref
10 %
HD74ALVCHR162269A
VIH
GND
VIH
Vref
GND
Waveform - A
Waveform - B
tZL
Vref
tZH
Vref
tLZ
VOL + 0.3 V
tHZ
VOH â 0.3 V
âVOH1
VOL
VOH
âVOL1
TEST
VIH
Vref
VOH1
VOL1
Vcc=2.5±0.2V
2.3 V
1.2 V
2.3 V
GND
Vcc=2.7V,
3.3±0.15V
2.7 V
1.5 V
3.0 V
GND
Note: 1. All input pulses are supplied by generators having the following characteristics: PRR â¤
10MHz, Zo = 50â¦, tr ⤠2.5ns, tf ⤠2.5ns.
2. Waveform â A is for an output with internal conditions such that the output is low except
when disabled by the output control.
3. Waveform â B is for an output with internal conditions such that the output is high except
when disabled by the output control.
4. The outputs are measured one at a time with one transition per measurement.
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